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| DIMM doesn't fit in 7300... |
Posted by: paws on 2008-05-14 04:23:48
I bought this:
http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=320239543738
under the assumption that it would fit in my 7300.
To the naked eye, it looks exactly like the DIMMs that are in it, but it won't go in the slot... Is it the wrong type? Do I just need to use a bigger hammer?
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Posted by: Bolle on 2008-05-14 08:25:17
tahts a normal 3.3V PC DIMM. no way to get it to work in a 7300-9600 mac.
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Posted by: paws on 2008-05-14 08:50:23
Booh!
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Posted by: tmtomh on 2008-05-14 09:59:20
Yeah, you need a 5V FPM DIMM for your 7300.
Best,
Matt
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Posted by: Quadraman on 2008-05-14 10:41:29
You can also use EDO memory in the 7200-9600 models.
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Posted by: trag on 2008-05-14 11:03:23
You can also use EDO memory in the 7200-9600 models. Yes, but not 3.3V EDO memory. 🙂
Wikipedia has some pictures explaining the notch placement on DIMMs. Simply look up DIMM on Wikipedia.org.
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Posted by: tmtomh on 2008-05-14 11:39:26
You can also use EDO memory in the 7200-9600 models. True, but different models (or I should say different individual units) behave differently - some machines won't run stably if, for example, you mix EDO and FPM DIMMs.
EDO are fine in a pinch or if you get them for free. But my advice, if one is going to buy RAM for these machines, or if one has a lot of compatible RAM already on-hand, is to stick with FPM.
Best,
Matt
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Posted by: Charlieman on 2008-05-14 13:08:47
The only "professional" model that is unhappy with EDO DIMMs is the 7200 (and its tower sister, the 8200). Consumer PowerMacs and Tanzania-based models (4400 etc) are different again.
OWC sell 5V EDO DIMMs at silly (cheap) prices and they will never be cheaper again.
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Posted by: paws on 2008-05-14 15:01:52
Hm. Well.
Does anybody want this one, then?
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Posted by: trag on 2008-05-15 10:16:56
The only "professional" model that is unhappy with EDO DIMMs is the 7200 For completeness, we should mention the 7200 based Power Computing Clones. These include the PowerCurve, PowerTower (non-Pro), PowerCenter, and PowerCenterPro.
All those machines will not work with EDO memory either, because they use the same chipset as the 7200. However, PCC said that there's no danger of damage to the machine with EDO memory the way there is with the 7200, it simply won't work.
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Posted by: bmacsys on 2008-05-15 10:37:51
The only "professional" model that is unhappy with EDO DIMMs is the 7200 For completeness, we should mention the 7200 based Power Computing Clones. These include the PowerCurve, PowerTower (non-Pro), PowerCenter, and PowerCenterPro.
All those machines will not work with EDO memory either, because they use the same chipset as the 7200. However, PCC said that there's no danger of damage to the machine with EDO memory the way there is with the 7200, it simply won't work.
I can attest to frying a 7200/120 board with EDO dimms.
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Posted by: Bolle on 2008-05-15 12:19:48
heh... so what? the 7200 and 8200 are the most useless PCI powermacs out there. why bother about screwing one 😛 😛 😛
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Posted by: bmacsys on 2008-05-15 16:04:47
heh... so what? the 7200 and 8200 are the most useless PCI powermacs out there. why bother about screwing one 😛 😛 😛 The 7200/120 isn't that bad. I think the bad rap stems from not being able to upgrade the processor till Sonnet came out with that weird G3 on a pci card upgrade. Positives for the 7200 in its day- You could put a decent amount of ram in its 4 slots. You could upgrade to 4 megs of vram. It was faster than a 7500/100. Has a great case. The 7200 that is. The 8200 I know had a shitty case. Anyway, who cares the 8200 had a shitty case? They only sold them in Europe. So the 7200 wasn't bad if you didn't plan to upgrade the processor. Which most people don't do. Most people aren't like us in this forum. They never crack open a computer case. [🙂] ]'> PS- was only kidding about the Europe crack.
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Posted by: trag on 2008-05-16 10:28:43
heh... so what? the 7200 and 8200 are the most useless PCI powermacs out there. why bother about screwing one 😛 😛 😛 Well, that could be said about all the machines we play with in these forums. Virtually all of them are useless by modern standards. We still play about with them.
Personally, I've never wanted to own a 7200, but the Power Computing clones based on the 7200 are very good machines-especially the PowerCenter Pro with its 60+ MHz bus speed.
Also, I have a 7500 I've pieced together, and I have a bunch of 7200 motherboards which I acquired in order to steal teh Bandit chips for a project. Having those things on hand has led to booting it up as a 7200 from time to time for other interesting projects. For example, did you know that the "Kansas" ROM, the ROM from the 9600 Enhanced machine, will work in the 7200?
It was also handy to have a 7200 for testing when I ended up with 1500 1MB VRAM modules after Power Computing's going out of business auction. As it turned out, those modules would not work in x500 machines, but worked fine in the 7200 and PCC clones based on the 7200.
Soo, there are uses for the 7200, as a test bed if nothing else. Oh yeah, I also used a 7200 board to map out half of my pin out for the Bandit chip.
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